[INFO] cloning repository https://github.com/0ldm0s/melange_db
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0ldm0s/melange_db" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ldm0s%2Fmelange_db", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bdbcdf3e0df0c06771f15657092a82dcaaf3b593
[INFO] testing 0ldm0s/melange_db against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ldm0s%2Fmelange_db" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0ldm0s/melange_db
[INFO] finished tweaking git repo https://github.com/0ldm0s/melange_db
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[INFO] [stderr]    Compiling melange_db v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]   --> src/block_cache.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{HashMap, LinkedList, VecDeque};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/block_cache.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/block_cache.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]   --> src/block_cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]   --> src/bloom_filter.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `trace_log`
[INFO] [stdout]   --> src/bloom_filter.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^            ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace_log` and `warn_log`
[INFO] [stdout]   --> src/db.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::{SmartFlushScheduler, SmartFlushConfig}};
[INFO] [stdout]    |                        ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_log` and `warn_log`
[INFO] [stdout]  --> src/flush_epoch.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log` and `info_log`
[INFO] [stdout]  --> src/heap.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]  --> src/id_allocator.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |             ^^^^^^^^^             ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]  --> src/leaf.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info_log`
[INFO] [stdout]  --> src/metadata_store.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/object_cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_log` and `warn_log`
[INFO] [stdout]  --> src/object_cache.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::WriteLoadStats};
[INFO] [stdout]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Seek`, and `self`
[INFO] [stdout]  --> src/platform_utils.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, Read, Seek};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/atomic_worker.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/atomic_worker.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]   --> src/atomic_worker.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use parking_lot::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log` and `info_log`
[INFO] [stdout]   --> src/atomic_worker.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]   --> src/database_worker.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use parking_lot::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]   --> src/database_worker.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stdout]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]   --> src/hybrid_operations_manager.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stdout]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log` and `info_log`
[INFO] [stdout]   --> src/tree.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |             ^^^^^^^^^                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> src/lib.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/block_cache.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bloom_filter.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut new_filter = Self::new(new_element_count, self.target_fpp);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `interval_ms` is never read
[INFO] [stdout]    --> src/smart_flush.rs:159:31
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let mut interval_ms = self.config.base_interval_ms;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 172 |             interval_ms = (self.config.base_interval_ms as f64 * (2.0 - load_factor)) as usize;
[INFO] [stdout]     |             ---------------------------------------------------------------------------------- `interval_ms` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut features = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |     let mut scheduler = SmartFlushScheduler::new(config);
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> src/db.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |     let stats = scheduler.get_stats();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/flush_epoch.rs:281:37
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         if let Some(mut callback) = callback {
[INFO] [stdout]     |                                     ----^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/flush_epoch.rs:302:37
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         if let Some(mut callback) = callback {
[INFO] [stdout]     |                                     ----^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/flush_epoch.rs:354:25
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     let results = perform_batch_flush(batch_tasks);
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/flush_epoch.rs:373:37
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/platform_utils.rs:93:39
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn read_exact_at(file: &fs::File, mut buf: &mut [u8], offset: u64) -> std::io::Result<()> {
[INFO] [stdout]    |                                       ----^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]   --> src/simd_optimized.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let remainder = min_len % 8;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_avx2` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/simd_optimized.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Self::compare_simd_avx2(a, b, len)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/simd_optimized.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     unsafe fn compare_simd(a: &[u8], b: &[u8], len: usize) -> Ordering {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_sse2` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/simd_optimized.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Self::compare_simd_sse2(a, b, len)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_fallback` is unsafe and requires unsafe block
[INFO] [stdout]    --> src/simd_optimized.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 Self::compare_simd_fallback(a, b, len)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let remainder = len % 32;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let remainder = len % 16;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let remainder = len % 8;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtomicWorker` is more private than the item `HybridOperationsManager::atomic_worker`
[INFO] [stdout]    --> src/hybrid_operations_manager.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn atomic_worker(&self) -> &AtomicWorker {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `HybridOperationsManager::atomic_worker` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `AtomicWorker` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/atomic_worker.rs:76:1
[INFO] [stdout]     |
[INFO] [stdout]  76 | pub(crate) struct AtomicWorker {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_to_head` is never used
[INFO] [stdout]    --> src/block_cache.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl LruCache {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn move_to_head(&mut self, node: &mut Box<LruNode>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/block_cache.rs:532:5
[INFO] [stdout]     |
[INFO] [stdout] 530 | pub struct CacheManager {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 531 |     block_cache: Arc<TieredBlockCache>,
[INFO] [stdout] 532 |     config: CacheConfig,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CacheManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OptimizedFlushScheduler` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OptimizedFlushScheduler {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlushTask` is never used
[INFO] [stdout]   --> src/flush_epoch.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum FlushTask {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatchFlushTask` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct BatchFlushTask {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlushPriority` is never used
[INFO] [stdout]   --> src/flush_epoch.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum FlushPriority {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlushConfig` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct FlushConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlushStats` is never constructed
[INFO] [stdout]    --> src/flush_epoch.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct FlushStats {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/flush_epoch.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl OptimizedFlushScheduler {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 117 |     /// 创建新的优化的flush调度器
[INFO] [stdout] 118 |     pub fn new(config: FlushConfig) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn start_workers(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn submit_immediate_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn submit_delayed_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn submit_batch_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn get_stats(&self) -> FlushStats {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn shutdown(self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `worker_loop` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn worker_loop(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_flush` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:373:4
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_batch_flush` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:387:4
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn perform_batch_flush(tasks: Vec<BatchFlushTask>) -> Vec<std::io::Result<()>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/leaf.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl IncrementalChanges {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `disable_incremental_serialization`, `apply_incremental_changes`, and `reset_incremental_changes` are never used
[INFO] [stdout]    --> src/leaf.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<const LEAF_FANOUT: usize> Leaf<LEAF_FANOUT> {
[INFO] [stdout]     | ------------------------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub(crate) fn disable_incremental_serialization(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     pub(crate) fn apply_incremental_changes(&mut self, changes: &IncrementalChanges) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 386 |     pub(crate) fn reset_incremental_changes(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db_queue` is never read
[INFO] [stdout]   --> src/atomic_worker.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct AtomicWorker {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 90 |     db_queue: Option<Arc<SegQueue<DatabaseOperation>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_counter_names` is never used
[INFO] [stdout]    --> src/atomic_worker.rs:644:19
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl AtomicWorker {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 644 |     pub(crate) fn get_counter_names(&self) -> Vec<String> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PreloadCounters` is never constructed
[INFO] [stdout]   --> src/database_worker.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum DatabaseOperation {
[INFO] [stdout]    |                 ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     PreloadCounters {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseOperation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `persist_counter` and `preload_counters` are never used
[INFO] [stdout]    --> src/database_worker.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl DatabaseWorker {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub(crate) fn persist_counter(&self, counter_name: String, value: u64) -> io::Result<()> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub(crate) fn preload_counters(&self) -> io::Result<Vec<(String, u64)>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/object_cache.rs:411:35
[INFO] [stdout]     |
[INFO] [stdout] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard {
[INFO] [stdout]     |                                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "ef1389446a18985fbfbd93809efecfa8f31ced59087e39ffa5f6ffd95d462dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1389446a18985fbfbd93809efecfa8f31ced59087e39ffa5f6ffd95d462dc6", kill_on_drop: false }`
[INFO] [stdout] ef1389446a18985fbfbd93809efecfa8f31ced59087e39ffa5f6ffd95d462dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da6b69da4ea01f36f4b378ed5bc2fba7c9ca32d28616c0c5fba2b951182eee64
[INFO] running `Command { std: "docker" "start" "-a" "da6b69da4ea01f36f4b378ed5bc2fba7c9ca32d28616c0c5fba2b951182eee64", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling zerocopy-derive v0.8.48
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.1
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[INFO] [stderr]    Compiling ciborium-io v0.2.2
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[INFO] [stderr]    Compiling cast v0.3.0
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[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling walkdir v2.5.0
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[INFO] [stderr]    Compiling clap_builder v4.6.0
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[INFO] [stderr]    Compiling rand v0.10.1
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[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling criterion-plot v0.5.0
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[INFO] [stderr]    Compiling env_filter v1.0.1
[INFO] [stderr]    Compiling env_logger v0.10.2
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[INFO] [stderr]    Compiling quickcheck v1.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
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[INFO] [stderr]    Compiling rand v0.8.6
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[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]   --> src/block_cache.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{HashMap, LinkedList, VecDeque};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/block_cache.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/block_cache.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]   --> src/block_cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]   --> src/bloom_filter.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `trace_log`
[INFO] [stdout]   --> src/bloom_filter.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^            ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace_log` and `warn_log`
[INFO] [stdout]   --> src/db.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::{SmartFlushScheduler, SmartFlushConfig}};
[INFO] [stdout]    |                        ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_log` and `warn_log`
[INFO] [stdout]  --> src/flush_epoch.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log` and `info_log`
[INFO] [stdout]  --> src/heap.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]  --> src/id_allocator.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |             ^^^^^^^^^             ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]  --> src/leaf.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info_log`
[INFO] [stdout]  --> src/metadata_store.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/object_cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_log` and `warn_log`
[INFO] [stdout]  --> src/object_cache.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::WriteLoadStats};
[INFO] [stdout]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Seek`, and `self`
[INFO] [stdout]  --> src/platform_utils.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, Read, Seek};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/atomic_worker.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/atomic_worker.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]   --> src/atomic_worker.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use parking_lot::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log` and `info_log`
[INFO] [stdout]   --> src/atomic_worker.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]   --> src/database_worker.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use parking_lot::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]   --> src/database_worker.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stdout]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]   --> src/hybrid_operations_manager.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stdout]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log` and `info_log`
[INFO] [stdout]   --> src/tree.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |             ^^^^^^^^^                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> src/lib.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/block_cache.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bloom_filter.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut new_filter = Self::new(new_element_count, self.target_fpp);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `interval_ms` is never read
[INFO] [stdout]    --> src/smart_flush.rs:159:31
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let mut interval_ms = self.config.base_interval_ms;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 172 |             interval_ms = (self.config.base_interval_ms as f64 * (2.0 - load_factor)) as usize;
[INFO] [stdout]     |             ---------------------------------------------------------------------------------- `interval_ms` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut features = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |     let mut scheduler = SmartFlushScheduler::new(config);
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> src/db.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |     let stats = scheduler.get_stats();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/flush_epoch.rs:281:37
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         if let Some(mut callback) = callback {
[INFO] [stdout]     |                                     ----^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/flush_epoch.rs:302:37
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         if let Some(mut callback) = callback {
[INFO] [stdout]     |                                     ----^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/flush_epoch.rs:354:25
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     let results = perform_batch_flush(batch_tasks);
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/flush_epoch.rs:373:37
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/platform_utils.rs:93:39
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn read_exact_at(file: &fs::File, mut buf: &mut [u8], offset: u64) -> std::io::Result<()> {
[INFO] [stdout]    |                                       ----^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]   --> src/simd_optimized.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let remainder = min_len % 8;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_avx2` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/simd_optimized.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Self::compare_simd_avx2(a, b, len)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/simd_optimized.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     unsafe fn compare_simd(a: &[u8], b: &[u8], len: usize) -> Ordering {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_sse2` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/simd_optimized.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Self::compare_simd_sse2(a, b, len)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_fallback` is unsafe and requires unsafe block
[INFO] [stdout]    --> src/simd_optimized.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 Self::compare_simd_fallback(a, b, len)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let remainder = len % 32;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let remainder = len % 16;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let remainder = len % 8;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtomicWorker` is more private than the item `HybridOperationsManager::atomic_worker`
[INFO] [stdout]    --> src/hybrid_operations_manager.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn atomic_worker(&self) -> &AtomicWorker {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `HybridOperationsManager::atomic_worker` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `AtomicWorker` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/atomic_worker.rs:76:1
[INFO] [stdout]     |
[INFO] [stdout]  76 | pub(crate) struct AtomicWorker {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_to_head` is never used
[INFO] [stdout]    --> src/block_cache.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl LruCache {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn move_to_head(&mut self, node: &mut Box<LruNode>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/block_cache.rs:532:5
[INFO] [stdout]     |
[INFO] [stdout] 530 | pub struct CacheManager {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 531 |     block_cache: Arc<TieredBlockCache>,
[INFO] [stdout] 532 |     config: CacheConfig,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CacheManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OptimizedFlushScheduler` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OptimizedFlushScheduler {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlushTask` is never used
[INFO] [stdout]   --> src/flush_epoch.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum FlushTask {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatchFlushTask` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct BatchFlushTask {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlushPriority` is never used
[INFO] [stdout]   --> src/flush_epoch.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum FlushPriority {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlushConfig` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct FlushConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlushStats` is never constructed
[INFO] [stdout]    --> src/flush_epoch.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct FlushStats {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/flush_epoch.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl OptimizedFlushScheduler {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 117 |     /// 创建新的优化的flush调度器
[INFO] [stdout] 118 |     pub fn new(config: FlushConfig) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn start_workers(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn submit_immediate_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn submit_delayed_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn submit_batch_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn get_stats(&self) -> FlushStats {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn shutdown(self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `worker_loop` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn worker_loop(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_flush` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:373:4
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_batch_flush` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:387:4
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn perform_batch_flush(tasks: Vec<BatchFlushTask>) -> Vec<std::io::Result<()>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/leaf.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl IncrementalChanges {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `disable_incremental_serialization`, `apply_incremental_changes`, and `reset_incremental_changes` are never used
[INFO] [stdout]    --> src/leaf.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<const LEAF_FANOUT: usize> Leaf<LEAF_FANOUT> {
[INFO] [stdout]     | ------------------------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub(crate) fn disable_incremental_serialization(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     pub(crate) fn apply_incremental_changes(&mut self, changes: &IncrementalChanges) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 386 |     pub(crate) fn reset_incremental_changes(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db_queue` is never read
[INFO] [stdout]   --> src/atomic_worker.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct AtomicWorker {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 90 |     db_queue: Option<Arc<SegQueue<DatabaseOperation>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_counter_names` is never used
[INFO] [stdout]    --> src/atomic_worker.rs:644:19
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl AtomicWorker {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 644 |     pub(crate) fn get_counter_names(&self) -> Vec<String> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PreloadCounters` is never constructed
[INFO] [stdout]   --> src/database_worker.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum DatabaseOperation {
[INFO] [stdout]    |                 ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     PreloadCounters {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseOperation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `persist_counter` and `preload_counters` are never used
[INFO] [stdout]    --> src/database_worker.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl DatabaseWorker {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub(crate) fn persist_counter(&self, counter_name: String, value: u64) -> io::Result<()> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub(crate) fn preload_counters(&self) -> io::Result<Vec<(String, u64)>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/object_cache.rs:411:35
[INFO] [stdout]     |
[INFO] [stdout] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard {
[INFO] [stdout]     |                                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LinkedList`
[INFO] [stdout]   --> src/block_cache.rs:13:33
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::collections::{HashMap, LinkedList, VecDeque};
[INFO] [stdout]    |                                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]   --> src/block_cache.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hash`
[INFO] [stdout]   --> src/block_cache.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stdout]   --> src/block_cache.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]   --> src/bloom_filter.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | use serde::{Serialize, Deserialize};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `trace_log`
[INFO] [stdout]   --> src/bloom_filter.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |             ^^^^^^^^^  ^^^^^^^^^            ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `trace_log` and `warn_log`
[INFO] [stdout]   --> src/db.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::{SmartFlushScheduler, SmartFlushConfig}};
[INFO] [stdout]    |                        ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_log` and `warn_log`
[INFO] [stdout]  --> src/flush_epoch.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log` and `info_log`
[INFO] [stdout]  --> src/heap.rs:6:45
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]  --> src/id_allocator.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |             ^^^^^^^^^             ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]  --> src/leaf.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info_log`
[INFO] [stdout]  --> src/metadata_store.rs:6:56
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]   |                                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/object_cache.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `info_log` and `warn_log`
[INFO] [stdout]  --> src/object_cache.rs:6:35
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::WriteLoadStats};
[INFO] [stdout]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Seek`, and `self`
[INFO] [stdout]  --> src/platform_utils.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{self, Read, Seek};
[INFO] [stdout]   |               ^^^^  ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/atomic_worker.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Instant`
[INFO] [stdout]   --> src/atomic_worker.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]   --> src/atomic_worker.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use parking_lot::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log` and `info_log`
[INFO] [stdout]   --> src/atomic_worker.rs:16:45
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::Mutex`
[INFO] [stdout]   --> src/database_worker.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use parking_lot::Mutex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]   --> src/database_worker.rs:13:35
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stdout]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stdout]   --> src/hybrid_operations_manager.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stdout]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug_log` and `info_log`
[INFO] [stdout]   --> src/tree.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stdout]    |             ^^^^^^^^^                                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]    --> src/lib.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]   --> src/block_cache.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::hash::{Hash, Hasher};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bloom_filter.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut new_filter = Self::new(new_element_count, self.target_fpp);
[INFO] [stdout]     |             ----^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `interval_ms` is never read
[INFO] [stdout]    --> src/smart_flush.rs:159:31
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let mut interval_ms = self.config.base_interval_ms;
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 172 |             interval_ms = (self.config.base_interval_ms as f64 * (2.0 - load_factor)) as usize;
[INFO] [stdout]     |             ---------------------------------------------------------------------------------- `interval_ms` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/config.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut features = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/db.rs:597:9
[INFO] [stdout]     |
[INFO] [stdout] 597 |     let mut scheduler = SmartFlushScheduler::new(config);
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stats`
[INFO] [stdout]    --> src/db.rs:598:9
[INFO] [stdout]     |
[INFO] [stdout] 598 |     let stats = scheduler.get_stats();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/flush_epoch.rs:281:37
[INFO] [stdout]     |
[INFO] [stdout] 281 |                         if let Some(mut callback) = callback {
[INFO] [stdout]     |                                     ----^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/flush_epoch.rs:302:37
[INFO] [stdout]     |
[INFO] [stdout] 302 |                         if let Some(mut callback) = callback {
[INFO] [stdout]     |                                     ----^^^^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `results`
[INFO] [stdout]    --> src/flush_epoch.rs:354:25
[INFO] [stdout]     |
[INFO] [stdout] 354 |                     let results = perform_batch_flush(batch_tasks);
[INFO] [stdout]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/flush_epoch.rs:373:37
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stdout]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/platform_utils.rs:93:39
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn read_exact_at(file: &fs::File, mut buf: &mut [u8], offset: u64) -> std::io::Result<()> {
[INFO] [stdout]    |                                       ----^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]   --> src/simd_optimized.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let remainder = min_len % 8;
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_avx2` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/simd_optimized.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 Self::compare_simd_avx2(a, b, len)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/simd_optimized.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     unsafe fn compare_simd(a: &[u8], b: &[u8], len: usize) -> Ordering {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_sse2` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/simd_optimized.rs:99:17
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Self::compare_simd_sse2(a, b, len)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_fallback` is unsafe and requires unsafe block
[INFO] [stdout]    --> src/simd_optimized.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 Self::compare_simd_fallback(a, b, len)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]     |
[INFO] [stdout]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |         let remainder = len % 32;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let remainder = len % 16;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/simd_optimized.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let remainder = len % 8;
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `AtomicWorker` is more private than the item `HybridOperationsManager::atomic_worker`
[INFO] [stdout]    --> src/hybrid_operations_manager.rs:296:5
[INFO] [stdout]     |
[INFO] [stdout] 296 |     pub fn atomic_worker(&self) -> &AtomicWorker {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `HybridOperationsManager::atomic_worker` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `AtomicWorker` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/atomic_worker.rs:76:1
[INFO] [stdout]     |
[INFO] [stdout]  76 | pub(crate) struct AtomicWorker {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `move_to_head` is never used
[INFO] [stdout]    --> src/block_cache.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 114 | impl LruCache {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn move_to_head(&mut self, node: &mut Box<LruNode>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]    --> src/block_cache.rs:532:5
[INFO] [stdout]     |
[INFO] [stdout] 530 | pub struct CacheManager {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 531 |     block_cache: Arc<TieredBlockCache>,
[INFO] [stdout] 532 |     config: CacheConfig,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `CacheManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OptimizedFlushScheduler` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OptimizedFlushScheduler {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlushTask` is never used
[INFO] [stdout]   --> src/flush_epoch.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub enum FlushTask {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BatchFlushTask` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct BatchFlushTask {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlushPriority` is never used
[INFO] [stdout]   --> src/flush_epoch.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub enum FlushPriority {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlushConfig` is never constructed
[INFO] [stdout]   --> src/flush_epoch.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub struct FlushConfig {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlushStats` is never constructed
[INFO] [stdout]    --> src/flush_epoch.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub struct FlushStats {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/flush_epoch.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 116 | impl OptimizedFlushScheduler {
[INFO] [stdout]     | ---------------------------- associated items in this implementation
[INFO] [stdout] 117 |     /// 创建新的优化的flush调度器
[INFO] [stdout] 118 |     pub fn new(config: FlushConfig) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     fn start_workers(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn submit_immediate_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     pub fn submit_delayed_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     pub fn submit_batch_flush<F>(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     pub fn get_stats(&self) -> FlushStats {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 230 |     pub fn shutdown(self) {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `worker_loop` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:252:4
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn worker_loop(
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_flush` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:373:4
[INFO] [stdout]     |
[INFO] [stdout] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `perform_batch_flush` is never used
[INFO] [stdout]    --> src/flush_epoch.rs:387:4
[INFO] [stdout]     |
[INFO] [stdout] 387 | fn perform_batch_flush(tasks: Vec<BatchFlushTask>) -> Vec<std::io::Result<()>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]   --> src/leaf.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl IncrementalChanges {
[INFO] [stdout]    | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `disable_incremental_serialization`, `apply_incremental_changes`, and `reset_incremental_changes` are never used
[INFO] [stdout]    --> src/leaf.rs:130:19
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl<const LEAF_FANOUT: usize> Leaf<LEAF_FANOUT> {
[INFO] [stdout]     | ------------------------------------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 130 |     pub(crate) fn disable_incremental_serialization(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     pub(crate) fn apply_incremental_changes(&mut self, changes: &IncrementalChanges) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 386 |     pub(crate) fn reset_incremental_changes(&mut self) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db_queue` is never read
[INFO] [stdout]   --> src/atomic_worker.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) struct AtomicWorker {
[INFO] [stdout]    |                   ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 90 |     db_queue: Option<Arc<SegQueue<DatabaseOperation>>>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_counter_names` is never used
[INFO] [stdout]    --> src/atomic_worker.rs:644:19
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl AtomicWorker {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 644 |     pub(crate) fn get_counter_names(&self) -> Vec<String> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PreloadCounters` is never constructed
[INFO] [stdout]   --> src/database_worker.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) enum DatabaseOperation {
[INFO] [stdout]    |                 ----------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 37 |     PreloadCounters {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DatabaseOperation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `persist_counter` and `preload_counters` are never used
[INFO] [stdout]    --> src/database_worker.rs:284:19
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl DatabaseWorker {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 284 |     pub(crate) fn persist_counter(&self, counter_name: String, value: u64) -> io::Result<()> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 301 |     pub(crate) fn preload_counters(&self) -> io::Result<Vec<(String, u64)>> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/object_cache.rs:411:35
[INFO] [stdout]     |
[INFO] [stdout] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard {
[INFO] [stdout]     |                                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard<'_> {
[INFO] [stdout]     |                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Db`
[INFO] [stdout]  --> examples/rat_logger_demo.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use melange_db::{Db, Config};
[INFO] [stdout]   |                  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rat_logger::LoggerBuilder::init`: 请使用init_global_logger方法
[INFO] [stdout]  --> examples/rat_logger_demo.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |         .init()?;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> examples/performance_demo.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> examples/performance_demo.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> examples/performance_demo.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Db`
[INFO] [stdout]  --> examples/no_logger_test.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use melange_db::{Db, Config};
[INFO] [stdout]   |                  ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> examples/best_practices.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command` and `Stdio`
[INFO] [stdout]   --> tests/optimization_performance_test.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::process::{Command, Stdio};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ConcurrentBloomFilter`
[INFO] [stdout]   --> tests/optimization_performance_test.rs:21:49
[INFO] [stdout]    |
[INFO] [stdout] 21 |     use melange_db::bloom_filter::{BloomFilter, ConcurrentBloomFilter};
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AccessPattern` and `CacheBlock`
[INFO] [stdout]   --> tests/optimization_performance_test.rs:22:62
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use melange_db::block_cache::{CacheManager, CacheConfig, CacheBlock, AccessPattern};
[INFO] [stdout]    |                                                              ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> tests/optimization_performance_test.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> tests/optimization_performance_test.rs:253:35
[INFO] [stdout]     |
[INFO] [stdout] 253 |                     *byte = rand::thread_rng().random();
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> tests/optimization_performance_test.rs:279:35
[INFO] [stdout]     |
[INFO] [stdout] 279 |             let key_index = rand::thread_rng().random_range(0..test_key_count);
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> tests/optimization_performance_test.rs:296:41
[INFO] [stdout]     |
[INFO] [stdout] 296 |             let start_key = &keys[rand::thread_rng().random_range(0..test_key_count)];
[INFO] [stdout]     |                                         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> examples/hybrid_best_practices.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `melange_db::*`
[INFO] [stdout]  --> tests/mmap_performance_test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use melange_db::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::fs::FileExt`
[INFO] [stdout]   --> tests/mmap_performance_test.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::os::unix::fs::FileExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter_value`
[INFO] [stdout]   --> examples/cpu_usage_test.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let counter_value = manager.increment("test_counter".to_string(), 1)?;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `counter_value`
[INFO] [stdout]    --> examples/cpu_usage_test.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let counter_value = manager.increment("test_counter".to_string(), 1)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]   --> tests/mmap_performance_test.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut rng = rand::thread_rng();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stdout]    --> tests/mmap_performance_test.rs:285:29
[INFO] [stdout]     |
[INFO] [stdout] 285 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> examples/best_practices.rs:185:14
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let (key, value) = kv?;
[INFO] [stdout]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> examples/hybrid_best_practices.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |     for i in 0..1000 {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `melange_db::*`
[INFO] [stdout]  --> examples/macbook_air_m1_compression_none.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use melange_db::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> examples/macbook_air_m1_compression_none.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> examples/macbook_air_m1_compression_none.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |           return Ok(());
[INFO] [stdout]    |           ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 23 | /     {
[INFO] [stdout] 24 | |         eprintln!("❌ 错误: 此示例需要启用 compression-none 特性");
[INFO] [stdout] 25 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stdout] 26 | |         eprintln!("❌ cargo run --example macbook_air_m1_compression_none --features compression-none --release");
[INFO] [stdout] 27 | |         return Err("未启用 compression-none 特性".into());
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> examples/hybrid_manager_guide.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_str`
[INFO] [stdout]    --> examples/hybrid_manager_guide.rs:335:19
[INFO] [stdout]     |
[INFO] [stdout] 335 |         if let Ok(key_str) = String::from_utf8(key) {
[INFO] [stdout]     |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_str`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> tests/integration_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `melange_db::*`
[INFO] [stdout]  --> examples/macbook_air_m1_compression_lz4.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use melange_db::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> examples/macbook_air_m1_compression_lz4.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> examples/macbook_air_m1_compression_lz4.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |           return Ok(());
[INFO] [stdout]    |           ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 23 | /     {
[INFO] [stdout] 24 | |         eprintln!("❌ 错误: 此示例需要启用 compression-lz4 特性");
[INFO] [stdout] 25 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stdout] 26 | |         eprintln!("❌ cargo run --example macbook_air_m1_compression_lz4 --features compression-lz4 --release");
[INFO] [stdout] 27 | |         return Err("未启用 compression-lz4 特性".into());
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> tests/performance_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `melange_db::*`
[INFO] [stdout]   --> examples/surface_book_2_compression_none.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use melange_db::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `melange_db::hybrid_operations_manager::HybridOperationsManager`
[INFO] [stdout]   --> examples/surface_book_2_compression_none.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use melange_db::hybrid_operations_manager::HybridOperationsManager;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> examples/surface_book_2_compression_none.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]   --> examples/surface_book_2_compression_none.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::Arc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> examples/surface_book_2_compression_none.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |           return Ok(());
[INFO] [stdout]    |           ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 26 | /     {
[INFO] [stdout] 27 | |         eprintln!("❌ 错误: 此示例需要启用 compression-none 特性");
[INFO] [stdout] 28 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stdout] 29 | |         eprintln!("❌ cargo run --example surface_book_2_compression_none --features compression-none --release");
[INFO] [stdout] 30 | |         return Err("未启用 compression-none 特性".into());
[INFO] [stdout] 31 | |     }
[INFO] [stdout]    | |_____^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `melange_db::*`
[INFO] [stdout]  --> examples/macbook_air_m1_compression_zstd.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use melange_db::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> examples/macbook_air_m1_compression_zstd.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> examples/macbook_air_m1_compression_zstd.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |           return Ok(());
[INFO] [stdout]    |           ------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 23 | /     {
[INFO] [stdout] 24 | |         eprintln!("❌ 错误: 此示例需要启用 compression-zstd 特性");
[INFO] [stdout] 25 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stdout] 26 | |         eprintln!("❌ cargo run --example macbook_air_m1_compression_zstd --features compression-zstd --release");
[INFO] [stdout] 27 | |         return Err("未启用 compression-zstd 特性".into());
[INFO] [stdout] 28 | |     }
[INFO] [stdout]    | |_____^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 51.33s
[INFO] running `Command { std: "docker" "inspect" "da6b69da4ea01f36f4b378ed5bc2fba7c9ca32d28616c0c5fba2b951182eee64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6b69da4ea01f36f4b378ed5bc2fba7c9ca32d28616c0c5fba2b951182eee64", kill_on_drop: false }`
[INFO] [stdout] da6b69da4ea01f36f4b378ed5bc2fba7c9ca32d28616c0c5fba2b951182eee64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68625a67f02d64dd6df6f2165ed042964546d6c6360c48e972a46e9d6a871e37
[INFO] running `Command { std: "docker" "start" "-a" "68625a67f02d64dd6df6f2165ed042964546d6c6360c48e972a46e9d6a871e37", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `LinkedList`
[INFO] [stderr]   --> src/block_cache.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::{HashMap, LinkedList, VecDeque};
[INFO] [stderr]    |                                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]   --> src/block_cache.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hash`
[INFO] [stderr]   --> src/block_cache.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::hash::{Hash, Hasher};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::hash_map::DefaultHasher`
[INFO] [stderr]   --> src/block_cache.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::collections::hash_map::DefaultHasher;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stderr]   --> src/bloom_filter.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 | use serde::{Serialize, Deserialize};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `trace_log`
[INFO] [stderr]   --> src/bloom_filter.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]    |             ^^^^^^^^^  ^^^^^^^^^            ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `trace_log` and `warn_log`
[INFO] [stderr]   --> src/db.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::{SmartFlushScheduler, SmartFlushConfig}};
[INFO] [stderr]    |                        ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info_log` and `warn_log`
[INFO] [stderr]  --> src/flush_epoch.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error_log` and `info_log`
[INFO] [stderr]  --> src/heap.rs:6:45
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]   |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug_log`, `error_log`, `info_log`, and `warn_log`
[INFO] [stderr]  --> src/id_allocator.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]   |             ^^^^^^^^^             ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stderr]  --> src/leaf.rs:2:35
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]   |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `info_log`
[INFO] [stderr]  --> src/metadata_store.rs:6:56
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]   |                                                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/object_cache.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `info_log` and `warn_log`
[INFO] [stderr]  --> src/object_cache.rs:6:35
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, smart_flush::WriteLoadStats};
[INFO] [stderr]   |                                   ^^^^^^^^             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read`, `Seek`, and `self`
[INFO] [stderr]  --> src/platform_utils.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{self, Read, Seek};
[INFO] [stderr]   |               ^^^^  ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/atomic_worker.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Instant`
[INFO] [stderr]   --> src/atomic_worker.rs:10:27
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::{Duration, Instant};
[INFO] [stderr]    |                           ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parking_lot::Mutex`
[INFO] [stderr]   --> src/atomic_worker.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use parking_lot::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error_log` and `info_log`
[INFO] [stderr]   --> src/atomic_worker.rs:16:45
[INFO] [stderr]    |
[INFO] [stderr] 16 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]    |                                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `parking_lot::Mutex`
[INFO] [stderr]   --> src/database_worker.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use parking_lot::Mutex;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stderr]   --> src/database_worker.rs:13:35
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stderr]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `error_log`, `info_log`, and `warn_log`
[INFO] [stderr]   --> src/hybrid_operations_manager.rs:10:35
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crate::{debug_log, trace_log, warn_log, error_log, info_log, InlineArray};
[INFO] [stderr]    |                                   ^^^^^^^^  ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `debug_log` and `info_log`
[INFO] [stderr]   --> src/tree.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 | use crate::{debug_log, trace_log, warn_log, error_log, info_log};
[INFO] [stderr]    |             ^^^^^^^^^                                  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]    --> src/lib.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     use std::path::Path;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]   --> src/block_cache.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::hash::{Hash, Hasher};
[INFO] [stderr]    |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bloom_filter.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let mut new_filter = Self::new(new_element_count, self.target_fpp);
[INFO] [stderr]     |             ----^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `interval_ms` is never read
[INFO] [stderr]    --> src/smart_flush.rs:159:31
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut interval_ms = self.config.base_interval_ms;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 172 |             interval_ms = (self.config.base_interval_ms as f64 * (2.0 - load_factor)) as usize;
[INFO] [stderr]     |             ---------------------------------------------------------------------------------- `interval_ms` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/config.rs:46:13
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut features = Vec::new();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/db.rs:597:9
[INFO] [stderr]     |
[INFO] [stderr] 597 |     let mut scheduler = SmartFlushScheduler::new(config);
[INFO] [stderr]     |         ----^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stats`
[INFO] [stderr]    --> src/db.rs:598:9
[INFO] [stderr]     |
[INFO] [stderr] 598 |     let stats = scheduler.get_stats();
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_stats`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/flush_epoch.rs:281:37
[INFO] [stderr]     |
[INFO] [stderr] 281 |                         if let Some(mut callback) = callback {
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/flush_epoch.rs:302:37
[INFO] [stderr]     |
[INFO] [stderr] 302 |                         if let Some(mut callback) = callback {
[INFO] [stderr]     |                                     ----^^^^^^^^
[INFO] [stderr]     |                                     |
[INFO] [stderr]     |                                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `results`
[INFO] [stderr]    --> src/flush_epoch.rs:354:25
[INFO] [stderr]     |
[INFO] [stderr] 354 |                     let results = perform_batch_flush(batch_tasks);
[INFO] [stderr]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_results`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/flush_epoch.rs:373:37
[INFO] [stderr]     |
[INFO] [stderr] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stderr]     |                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/platform_utils.rs:93:39
[INFO] [stderr]    |
[INFO] [stderr] 93 | pub fn read_exact_at(file: &fs::File, mut buf: &mut [u8], offset: u64) -> std::io::Result<()> {
[INFO] [stderr]    |                                       ----^^^
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]   --> src/simd_optimized.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let remainder = min_len % 8;
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stderr] 
[INFO] [stderr] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_avx2` is unsafe and requires unsafe block
[INFO] [stderr]   --> src/simd_optimized.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 Self::compare_simd_avx2(a, b, len)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]    |
[INFO] [stderr]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stderr]   --> src/simd_optimized.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     unsafe fn compare_simd(a: &[u8], b: &[u8], len: usize) -> Ordering {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stderr]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_sse2` is unsafe and requires unsafe block
[INFO] [stderr]   --> src/simd_optimized.rs:99:17
[INFO] [stderr]    |
[INFO] [stderr] 99 |                 Self::compare_simd_sse2(a, b, len)
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]    |
[INFO] [stderr]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stderr] 
[INFO] [stderr] warning[E0133]: call to unsafe function `simd_optimized::SimdComparator::compare_simd_fallback` is unsafe and requires unsafe block
[INFO] [stderr]    --> src/simd_optimized.rs:101:17
[INFO] [stderr]     |
[INFO] [stderr] 101 |                 Self::compare_simd_fallback(a, b, len)
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stderr]     |
[INFO] [stderr]     = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]    --> src/simd_optimized.rs:155:13
[INFO] [stderr]     |
[INFO] [stderr] 155 |         let remainder = len % 32;
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]    --> src/simd_optimized.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |         let remainder = len % 16;
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `remainder`
[INFO] [stderr]    --> src/simd_optimized.rs:223:13
[INFO] [stderr]     |
[INFO] [stderr] 223 |         let remainder = len % 8;
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stderr] 
[INFO] [stderr] warning: type `AtomicWorker` is more private than the item `HybridOperationsManager::atomic_worker`
[INFO] [stderr]    --> src/hybrid_operations_manager.rs:296:5
[INFO] [stderr]     |
[INFO] [stderr] 296 |     pub fn atomic_worker(&self) -> &AtomicWorker {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `HybridOperationsManager::atomic_worker` is reachable at visibility `pub`
[INFO] [stderr]     |
[INFO] [stderr] note: but type `AtomicWorker` is only usable at visibility `pub(crate)`
[INFO] [stderr]    --> src/atomic_worker.rs:76:1
[INFO] [stderr]     |
[INFO] [stderr]  76 | pub(crate) struct AtomicWorker {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `move_to_head` is never used
[INFO] [stderr]    --> src/block_cache.rs:219:8
[INFO] [stderr]     |
[INFO] [stderr] 114 | impl LruCache {
[INFO] [stderr]     | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 219 |     fn move_to_head(&mut self, node: &mut Box<LruNode>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `config` is never read
[INFO] [stderr]    --> src/block_cache.rs:532:5
[INFO] [stderr]     |
[INFO] [stderr] 530 | pub struct CacheManager {
[INFO] [stderr]     |            ------------ field in this struct
[INFO] [stderr] 531 |     block_cache: Arc<TieredBlockCache>,
[INFO] [stderr] 532 |     config: CacheConfig,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `CacheManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OptimizedFlushScheduler` is never constructed
[INFO] [stderr]   --> src/flush_epoch.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct OptimizedFlushScheduler {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `FlushTask` is never used
[INFO] [stderr]   --> src/flush_epoch.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum FlushTask {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BatchFlushTask` is never constructed
[INFO] [stderr]   --> src/flush_epoch.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct BatchFlushTask {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `FlushPriority` is never used
[INFO] [stderr]   --> src/flush_epoch.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub enum FlushPriority {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FlushConfig` is never constructed
[INFO] [stderr]   --> src/flush_epoch.rs:79:12
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub struct FlushConfig {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FlushStats` is never constructed
[INFO] [stderr]    --> src/flush_epoch.rs:106:12
[INFO] [stderr]     |
[INFO] [stderr] 106 | pub struct FlushStats {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/flush_epoch.rs:118:12
[INFO] [stderr]     |
[INFO] [stderr] 116 | impl OptimizedFlushScheduler {
[INFO] [stderr]     | ---------------------------- associated items in this implementation
[INFO] [stderr] 117 |     /// 创建新的优化的flush调度器
[INFO] [stderr] 118 |     pub fn new(config: FlushConfig) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 |     fn start_workers(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 154 |     pub fn submit_immediate_flush<F>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 175 |     pub fn submit_delayed_flush<F>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 198 |     pub fn submit_batch_flush<F>(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |     pub fn get_stats(&self) -> FlushStats {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 230 |     pub fn shutdown(self) {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `worker_loop` is never used
[INFO] [stderr]    --> src/flush_epoch.rs:252:4
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn worker_loop(
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `perform_flush` is never used
[INFO] [stderr]    --> src/flush_epoch.rs:373:4
[INFO] [stderr]     |
[INFO] [stderr] 373 | fn perform_flush(epoch: FlushEpoch, data: Vec<u8>) -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `perform_batch_flush` is never used
[INFO] [stderr]    --> src/flush_epoch.rs:387:4
[INFO] [stderr]     |
[INFO] [stderr] 387 | fn perform_batch_flush(tasks: Vec<BatchFlushTask>) -> Vec<std::io::Result<()>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]   --> src/leaf.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl IncrementalChanges {
[INFO] [stderr]    | ----------------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 67 |     pub fn clear(&mut self) {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `disable_incremental_serialization`, `apply_incremental_changes`, and `reset_incremental_changes` are never used
[INFO] [stderr]    --> src/leaf.rs:130:19
[INFO] [stderr]     |
[INFO] [stderr] 102 | impl<const LEAF_FANOUT: usize> Leaf<LEAF_FANOUT> {
[INFO] [stderr]     | ------------------------------------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 130 |     pub(crate) fn disable_incremental_serialization(&mut self) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 368 |     pub(crate) fn apply_incremental_changes(&mut self, changes: &IncrementalChanges) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 386 |     pub(crate) fn reset_incremental_changes(&mut self) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `db_queue` is never read
[INFO] [stderr]   --> src/atomic_worker.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub(crate) struct AtomicWorker {
[INFO] [stderr]    |                   ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 90 |     db_queue: Option<Arc<SegQueue<DatabaseOperation>>>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_counter_names` is never used
[INFO] [stderr]    --> src/atomic_worker.rs:644:19
[INFO] [stderr]     |
[INFO] [stderr]  93 | impl AtomicWorker {
[INFO] [stderr]     | ----------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 644 |     pub(crate) fn get_counter_names(&self) -> Vec<String> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PreloadCounters` is never constructed
[INFO] [stderr]   --> src/database_worker.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub(crate) enum DatabaseOperation {
[INFO] [stderr]    |                 ----------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 37 |     PreloadCounters {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DatabaseOperation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `persist_counter` and `preload_counters` are never used
[INFO] [stderr]    --> src/database_worker.rs:284:19
[INFO] [stderr]     |
[INFO] [stderr]  91 | impl DatabaseWorker {
[INFO] [stderr]     | ------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 284 |     pub(crate) fn persist_counter(&self, counter_name: String, value: u64) -> io::Result<()> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 301 |     pub(crate) fn preload_counters(&self) -> io::Result<Vec<(String, u64)>> {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/object_cache.rs:411:35
[INFO] [stderr]     |
[INFO] [stderr] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard {
[INFO] [stderr]     |                                   ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                                   |
[INFO] [stderr]     |                                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 411 |     pub fn check_into_flush_epoch(&self) -> FlushEpochGuard<'_> {
[INFO] [stderr]     |                                                            ++++
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0133`.
[INFO] [stderr] warning: `melange_db` (lib) generated 62 warnings (run `cargo fix --lib -p melange_db` to apply 39 suggestions)
[INFO] [stderr] warning: unused import: `melange_db::*`
[INFO] [stderr]  --> examples/macbook_air_m1_compression_lz4.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use melange_db::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]   --> examples/macbook_air_m1_compression_lz4.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Instant;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/macbook_air_m1_compression_lz4.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |           return Ok(());
[INFO] [stderr]    |           ------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 23 | /     {
[INFO] [stderr] 24 | |         eprintln!("❌ 错误: 此示例需要启用 compression-lz4 特性");
[INFO] [stderr] 25 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stderr] 26 | |         eprintln!("❌ cargo run --example macbook_air_m1_compression_lz4 --features compression-lz4 --release");
[INFO] [stderr] 27 | |         return Err("未启用 compression-lz4 特性".into());
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `melange_db::*`
[INFO] [stderr]  --> examples/macbook_air_m1_compression_zstd.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use melange_db::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]   --> examples/macbook_air_m1_compression_zstd.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Instant;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/macbook_air_m1_compression_zstd.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |           return Ok(());
[INFO] [stderr]    |           ------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 23 | /     {
[INFO] [stderr] 24 | |         eprintln!("❌ 错误: 此示例需要启用 compression-zstd 特性");
[INFO] [stderr] 25 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stderr] 26 | |         eprintln!("❌ cargo run --example macbook_air_m1_compression_zstd --features compression-zstd --release");
[INFO] [stderr] 27 | |         return Err("未启用 compression-zstd 特性".into());
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]  --> examples/performance_demo.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::Path;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> examples/performance_demo.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> examples/performance_demo.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Command` and `Stdio`
[INFO] [stderr]   --> tests/optimization_performance_test.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::process::{Command, Stdio};
[INFO] [stderr]    |                    ^^^^^^^  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ConcurrentBloomFilter`
[INFO] [stderr]   --> tests/optimization_performance_test.rs:21:49
[INFO] [stderr]    |
[INFO] [stderr] 21 |     use melange_db::bloom_filter::{BloomFilter, ConcurrentBloomFilter};
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AccessPattern` and `CacheBlock`
[INFO] [stderr]   --> tests/optimization_performance_test.rs:22:62
[INFO] [stderr]    |
[INFO] [stderr] 22 |     use melange_db::block_cache::{CacheManager, CacheConfig, CacheBlock, AccessPattern};
[INFO] [stderr]    |                                                              ^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]   --> tests/optimization_performance_test.rs:64:29
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> tests/optimization_performance_test.rs:253:35
[INFO] [stderr]     |
[INFO] [stderr] 253 |                     *byte = rand::thread_rng().random();
[INFO] [stderr]     |                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> tests/optimization_performance_test.rs:279:35
[INFO] [stderr]     |
[INFO] [stderr] 279 |             let key_index = rand::thread_rng().random_range(0..test_key_count);
[INFO] [stderr]     |                                   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> tests/optimization_performance_test.rs:296:41
[INFO] [stderr]     |
[INFO] [stderr] 296 |             let start_key = &keys[rand::thread_rng().random_range(0..test_key_count)];
[INFO] [stderr]     |                                         ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `melange_db::*`
[INFO] [stderr]   --> examples/surface_book_2_compression_none.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use melange_db::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `melange_db::hybrid_operations_manager::HybridOperationsManager`
[INFO] [stderr]   --> examples/surface_book_2_compression_none.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use melange_db::hybrid_operations_manager::HybridOperationsManager;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]   --> examples/surface_book_2_compression_none.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::time::Instant;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> examples/surface_book_2_compression_none.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/surface_book_2_compression_none.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |           return Ok(());
[INFO] [stderr]    |           ------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 26 | /     {
[INFO] [stderr] 27 | |         eprintln!("❌ 错误: 此示例需要启用 compression-none 特性");
[INFO] [stderr] 28 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stderr] 29 | |         eprintln!("❌ cargo run --example surface_book_2_compression_none --features compression-none --release");
[INFO] [stderr] 30 | |         return Err("未启用 compression-none 特性".into());
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Db`
[INFO] [stderr]  --> examples/rat_logger_demo.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use melange_db::{Db, Config};
[INFO] [stderr]   |                  ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rat_logger::LoggerBuilder::init`: 请使用init_global_logger方法
[INFO] [stderr]  --> examples/rat_logger_demo.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 |         .init()?;
[INFO] [stderr]   |          ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> examples/best_practices.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> examples/best_practices.rs:185:14
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let (key, value) = kv?;
[INFO] [stderr]     |              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `melange_db::*`
[INFO] [stderr]  --> tests/mmap_performance_test.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use melange_db::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::fs::FileExt`
[INFO] [stderr]   --> tests/mmap_performance_test.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::os::unix::fs::FileExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]   --> tests/mmap_performance_test.rs:29:25
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut rng = rand::thread_rng();
[INFO] [stderr]    |                         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng`
[INFO] [stderr]    --> tests/mmap_performance_test.rs:285:29
[INFO] [stderr]     |
[INFO] [stderr] 285 |         let mut rng = rand::thread_rng();
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `melange_db::*`
[INFO] [stderr]  --> examples/macbook_air_m1_compression_none.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use melange_db::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]   --> examples/macbook_air_m1_compression_none.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::time::Instant;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> examples/macbook_air_m1_compression_none.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |           return Ok(());
[INFO] [stderr]    |           ------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 23 | /     {
[INFO] [stderr] 24 | |         eprintln!("❌ 错误: 此示例需要启用 compression-none 特性");
[INFO] [stderr] 25 | |         eprintln!("❌ 请使用以下命令运行:");
[INFO] [stderr] 26 | |         eprintln!("❌ cargo run --example macbook_air_m1_compression_none --features compression-none --release");
[INFO] [stderr] 27 | |         return Err("未启用 compression-none 特性".into());
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `counter_value`
[INFO] [stderr]   --> examples/cpu_usage_test.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let counter_value = manager.increment("test_counter".to_string(), 1)?;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `counter_value`
[INFO] [stderr]    --> examples/cpu_usage_test.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let counter_value = manager.increment("test_counter".to_string(), 1)?;
[INFO] [stderr]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_counter_value`
[INFO] [stderr] 
[INFO] [stderr] warning: `melange_db` (example "macbook_air_m1_compression_lz4") generated 3 warnings (run `cargo fix --example "macbook_air_m1_compression_lz4" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: `melange_db` (example "macbook_air_m1_compression_zstd") generated 3 warnings (run `cargo fix --example "macbook_air_m1_compression_zstd" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: `melange_db` (example "performance_demo") generated 3 warnings (run `cargo fix --example "performance_demo" -p melange_db` to apply 3 suggestions)
[INFO] [stderr] warning: `melange_db` (test "optimization_performance_test") generated 7 warnings (run `cargo fix --test "optimization_performance_test" -p melange_db` to apply 3 suggestions)
[INFO] [stderr] warning: `melange_db` (example "surface_book_2_compression_none") generated 5 warnings (run `cargo fix --example "surface_book_2_compression_none" -p melange_db` to apply 4 suggestions)
[INFO] [stderr] warning: `melange_db` (example "rat_logger_demo") generated 2 warnings (run `cargo fix --example "rat_logger_demo" -p melange_db` to apply 1 suggestion)
[INFO] [stderr] warning: `melange_db` (example "best_practices") generated 2 warnings (run `cargo fix --example "best_practices" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: `melange_db` (lib test) generated 62 warnings (62 duplicates)
[INFO] [stderr] warning: `melange_db` (test "mmap_performance_test") generated 4 warnings (run `cargo fix --test "mmap_performance_test" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: `melange_db` (example "macbook_air_m1_compression_none") generated 3 warnings (run `cargo fix --example "macbook_air_m1_compression_none" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: `melange_db` (example "cpu_usage_test") generated 2 warnings (run `cargo fix --example "cpu_usage_test" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> tests/performance_test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> examples/hybrid_best_practices.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> examples/hybrid_best_practices.rs:251:9
[INFO] [stderr]     |
[INFO] [stderr] 251 |     for i in 0..1000 {
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> examples/hybrid_manager_guide.rs:9:21
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key_str`
[INFO] [stderr]    --> examples/hybrid_manager_guide.rs:335:19
[INFO] [stderr]     |
[INFO] [stderr] 335 |         if let Ok(key_str) = String::from_utf8(key) {
[INFO] [stderr]     |                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Db`
[INFO] [stderr]  --> examples/no_logger_test.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use melange_db::{Db, Config};
[INFO] [stderr]   |                  ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> tests/integration_test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `melange_db` (test "performance_test") generated 1 warning (run `cargo fix --test "performance_test" -p melange_db` to apply 1 suggestion)
[INFO] [stderr] warning: `melange_db` (example "hybrid_best_practices") generated 2 warnings (run `cargo fix --example "hybrid_best_practices" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: `melange_db` (example "hybrid_manager_guide") generated 2 warnings (run `cargo fix --example "hybrid_manager_guide" -p melange_db` to apply 2 suggestions)
[INFO] [stderr] warning: `melange_db` (example "no_logger_test") generated 1 warning (run `cargo fix --example "no_logger_test" -p melange_db` to apply 1 suggestion)
[INFO] [stderr] warning: `melange_db` (test "integration_test") generated 1 warning (run `cargo fix --test "integration_test" -p melange_db` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/melange_db-3b0c7adcf3dbb2c8)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test bloom_filter::tests::test_tiered_bloom_filter ... ok
[INFO] [stdout] test block_cache::tests::test_lru_cache_basic ... ok
[INFO] [stdout] test block_cache::tests::test_tiered_block_cache ... ok
[INFO] [stdout] test block_cache::tests::test_cache_manager ... ok
[INFO] [stdout] test bloom_filter::tests::test_bloom_filter_stats ... ok
[INFO] [stdout] test bloom_filter::tests::test_bloom_filter_basic ... ok
[INFO] [stdout] test bloom_filter::tests::test_concurrent_bloom_filter ... ok
[INFO] [stdout] test bloom_filter::tests::test_bloom_filter_false_positives ... ok
[INFO] [stdout] test simd_optimized::tests::test_batch_compare ... ok
[INFO] [stdout] test simd_optimized::tests::test_simd_compare_basic ... ok
[INFO] [stdout] test smart_flush::tests::test_smart_flush_scheduler ... ok
[INFO] [stdout] test simd_optimized::tests::test_simd_equals ... ok
[INFO] [stdout] test smart_flush::tests::test_write_load_stats ... ok
[INFO] [stdout] test platform_utils::tests::test_setup_example_db ... FAILED
[INFO] [stdout] test platform_utils::tests::test_cleanup_db_directory ... FAILED
[INFO] [stdout] test platform_utils::tests::test_is_path_writable ... FAILED
[INFO] [stdout] test platform_utils::tests::test_prepare_directory ... FAILED
[INFO] [stdout] test simd_optimized::tests::test_large_key_performance ... ok
[INFO] [stdout] test simd_optimized::tests::test_small_key_performance ... ok
[INFO] [stdout] test flush_epoch::concurrent_flush_epoch_burn_in ... ok
[INFO] [stdout] test flush_epoch::flush_epoch_basic_functionality ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- platform_utils::tests::test_setup_example_db stdout ----
[INFO] [stdout] 错误: 无法创建目录 "test_setup_1777840082095322_0_db": Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] thread 'platform_utils::tests::test_setup_example_db' (31) panicked at src/platform_utils.rs:140:9:
[INFO] [stdout] 无法准备示例数据库目录: "test_setup_1777840082095322_0_db"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d2d4795347a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d2d4795347a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d2d4796920a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d2d4796920a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x5d2d47957e12 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5d2d47957e12 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5d2d4792fdef - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d2d4792fdef - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d2d4794a459 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d2d477208bc - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5d2d477208bc - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5d2d4794a6d2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5d2d4794a6d2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5d2d4792fea8 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5d2d47924e89 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d2d47930bbd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5d2d479699cc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d2d47711fa7 - melange_db[2ab5054dc6f29998]::platform_utils::setup_example_db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:140:9
[INFO] [stdout]   20:     0x5d2d477062b8 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_setup_example_db
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:175:20
[INFO] [stdout]   21:     0x5d2d47702ae7 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_setup_example_db::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:174:31
[INFO] [stdout]   22:     0x5d2d47707f46 - <melange_db[2ab5054dc6f29998]::platform_utils::tests::test_setup_example_db::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5d2d47713b9b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d2d47713b9b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x5d2d4772138b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5d2d4772138b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x5d2d4771aaa4 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x5d2d4771aaa4 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]   35:     0x5d2d47723f92 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5d2d47723f92 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x5d2d47723f92 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5d2d479526ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   42:     0x5d2d479526ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x76e19c5d0aa4 - <unknown>
[INFO] [stdout]   44:     0x76e19c65da64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- platform_utils::tests::test_cleanup_db_directory stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'platform_utils::tests::test_cleanup_db_directory' (28) panicked at src/platform_utils.rs:153:35:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d2d4795347a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d2d4795347a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d2d4796920a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d2d4796920a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x5d2d47957e12 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5d2d47957e12 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5d2d4792fdef - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d2d4792fdef - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d2d4794a459 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d2d477208bc - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5d2d477208bc - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5d2d4794a6d2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5d2d4794a6d2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5d2d4792fea8 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5d2d47924e89 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d2d47930bbd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5d2d479699cc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d2d47969742 - core[d17f6591d688f3bd]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5d2d47706780 - <core[d17f6591d688f3bd]::result::Result<(), std[fce30c26ee6459b]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5d2d47706780 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_cleanup_db_directory
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:153:35
[INFO] [stdout]   22:     0x5d2d47702b47 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_cleanup_db_directory::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:151:35
[INFO] [stdout]   23:     0x5d2d47707fc6 - <melange_db[2ab5054dc6f29998]::platform_utils::tests::test_cleanup_db_directory::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d2d47713b9b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5d2d47713b9b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5d2d4772138b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5d2d4772138b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5d2d4771aaa4 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5d2d4771aaa4 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5d2d47723f92 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5d2d47723f92 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5d2d47723f92 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5d2d479526ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x5d2d479526ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x76e19c5d0aa4 - <unknown>
[INFO] [stdout]   45:     0x76e19c65da64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- platform_utils::tests::test_is_path_writable stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'platform_utils::tests::test_is_path_writable' (29) panicked at src/platform_utils.rs:169:9:
[INFO] [stdout] assertion failed: is_path_writable(&path)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d2d4795347a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d2d4795347a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d2d4796920a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d2d4796920a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x5d2d47957e12 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5d2d47957e12 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5d2d4792fdef - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d2d4792fdef - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d2d4794a459 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d2d477208bc - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5d2d477208bc - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5d2d4794a6d2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5d2d4794a6d2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5d2d4792feda - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5d2d47924e89 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d2d47930bbd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5d2d479699cc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d2d47969992 - core[d17f6591d688f3bd]::panicking::panic
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5d2d47706247 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_is_path_writable
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:169:9
[INFO] [stdout]   21:     0x5d2d47702ab7 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_is_path_writable::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:167:31
[INFO] [stdout]   22:     0x5d2d47707f06 - <melange_db[2ab5054dc6f29998]::platform_utils::tests::test_is_path_writable::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5d2d47713b9b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d2d47713b9b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x5d2d4772138b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5d2d4772138b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x5d2d4771aaa4 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x5d2d4771aaa4 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x5d2d47723f92 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5d2d47723f92 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x5d2d47723f92 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5d2d479526ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   42:     0x5d2d479526ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x76e19c5d0aa4 - <unknown>
[INFO] [stdout]   44:     0x76e19c65da64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- platform_utils::tests::test_prepare_directory stdout ----
[INFO] [stdout] 错误: 无法创建目录 "test_prepare": Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] thread 'platform_utils::tests::test_prepare_directory' (30) panicked at src/platform_utils.rs:162:9:
[INFO] [stdout] assertion failed: prepare_directory(&path)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5d2d4795347a - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5d2d4795347a - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5d2d4795347a - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5d2d4796920a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5d2d4796920a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x5d2d47957e12 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5d2d47957e12 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5d2d4792fdef - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5d2d4792fdef - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5d2d4794a459 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5d2d477208bc - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5d2d477208bc - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5d2d4794a6d2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5d2d4794a6d2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5d2d4792feda - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5d2d47924e89 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5d2d47930bbd - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5d2d479699cc - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5d2d47969992 - core[d17f6591d688f3bd]::panicking::panic
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5d2d47706637 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_prepare_directory
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:162:9
[INFO] [stdout]   21:     0x5d2d47702b17 - melange_db[2ab5054dc6f29998]::platform_utils::tests::test_prepare_directory::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/platform_utils.rs:160:32
[INFO] [stdout]   22:     0x5d2d47707f86 - <melange_db[2ab5054dc6f29998]::platform_utils::tests::test_prepare_directory::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x5d2d47713b9b - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d2d47713b9b - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   25:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   26:     0x5d2d4772138b - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   27:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x5d2d4772138b - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x5d2d4772138b - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   31:     0x5d2d4772138b - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   32:     0x5d2d4771aaa4 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   33:     0x5d2d4771aaa4 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   35:     0x5d2d47723f92 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   36:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x5d2d47723f92 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x5d2d47723f92 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x5d2d47723f92 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   40:     0x5d2d47723f92 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5d2d479526ff - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   42:     0x5d2d479526ff - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   43:     0x76e19c5d0aa4 - <unknown>
[INFO] [stdout]   44:     0x76e19c65da64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     platform_utils::tests::test_cleanup_db_directory
[INFO] [stdout]     platform_utils::tests::test_is_path_writable
[INFO] [stdout]     platform_utils::tests::test_prepare_directory
[INFO] [stdout]     platform_utils::tests::test_setup_example_db
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 17 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68625a67f02d64dd6df6f2165ed042964546d6c6360c48e972a46e9d6a871e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68625a67f02d64dd6df6f2165ed042964546d6c6360c48e972a46e9d6a871e37", kill_on_drop: false }`
[INFO] [stdout] 68625a67f02d64dd6df6f2165ed042964546d6c6360c48e972a46e9d6a871e37
